diff options
| author | Christoph Hellwig <hch@infradead.org> | 2010-08-18 11:29:18 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-09-10 12:35:39 +0200 |
| commit | 61002f7db33c7d064cddcdab680fb750fa43d8fd (patch) | |
| tree | a9a4a9f6288478cc91934b0784e31649faaa8efb /fs | |
| parent | jbd2: replace barriers with explicit flush / FUA usage (diff) | |
| download | linux-61002f7db33c7d064cddcdab680fb750fa43d8fd.tar.xz linux-61002f7db33c7d064cddcdab680fb750fa43d8fd.zip | |
ext4: do not send discards as barriers
ext4 already uses synchronous discards, no need to add I/O barriers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/mballoc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index df44b345f662..a22bfef3da95 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2567,7 +2567,7 @@ static inline void ext4_issue_discard(struct super_block *sb, trace_ext4_discard_blocks(sb, (unsigned long long) discard_block, count); ret = sb_issue_discard(sb, discard_block, count, GFP_NOFS, - BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER); + BLKDEV_IFL_WAIT); if (ret == EOPNOTSUPP) { ext4_warning(sb, "discard not supported, disabling"); clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD); |